12890017

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 15335424

約数和(自身を除く): 2445407

約数列:

[1, 7, 31, 191, 217, 311, 1337, 2177, 5921, 9641, 41447, 59401, 67487, 415807, 1841431, 12890017]

約数ペア:

[(1, 12890017), (7, 1841431), (31, 415807), (191, 67487), (217, 59401), (311, 41447), (1337, 9641), (2177, 5921)]